Home / 39,621.15-59,436.99-12,957.77

Finding the Fourth Proportional to 39,621.15, 59,436.99 and 12,957.77

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Solution

The fourth proportional to 39,621.15, 59,436.99 and 12,957.77 is: 19,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.15 : 59,436.99 = 12,957.77 : x
  2. Step 2: Convert to fraction form
    39,621.15/59,436.99 = 12,957.77/x
  3. Step 3: Cross multiply
    39,621.15x = 59,436.99 × 12,957.77
  4. Step 4: Simplify right side
    39,621.15x = 770,170,994.50
  5. Step 5: Solve for x
    x = 770,170,994.50/39,621.15
  6. Step 6: Final answer
    x = 19,438.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.